docs(vitest-integration): clarify why we recommend the vitest integration

Author: edmundhung

src/content/docs/workers/testing/index.mdx

@@ -7,7 +7,7 @@ sidebar:
 
 import { Render, LinkButton } from "~/components";
 
-The Workers platform has a variety of ways to test your applications, depending on your requirements. We recommend using the [Vitest integration](/workers/testing/vitest-integration), which allows for unit testing individual functions within your Worker. However, if you don't use Vitest, both [Miniflare's API](/workers/testing/miniflare/writing-tests) and the [`unstable_startWorker()`](/workers/wrangler/api/#unstable_startworker) API provide options for testing your Worker in any testing framework.
+The Workers platform has a variety of ways to test your applications, depending on your requirements. We recommend using the [Vitest integration](/workers/testing/vitest-integration), which allows for unit testing individual functions within [workerd](https://github.com/cloudflare/workerd). However, if you don't use Vitest, both [Miniflare's API](/workers/testing/miniflare/writing-tests) and the [`unstable_startWorker()`](/workers/wrangler/api/#unstable_startworker) API provide options for testing your Worker in any testing framework.
 
 <LinkButton href="/workers/testing/vitest-integration/get-started/write-your-first-test/">
 	Write your first test

src/content/docs/workers/testing/unit-testing.mdx

@@ -39,7 +39,7 @@ This test only verifies that the `add` function is returning the correct value,
 
 ## Vitest integration
 
-The recommended way to unit test your Workers is by using the Workers Vitest integration. For more information on features, as well as installation and setup instructions, refer to the [Vitest integration Get Started guide](/workers/testing/vitest-integration/get-started/).
+Testing Workers within our Workers runtime can be challenging and requires additional manual setup. Our Workers Vitest integration simplifies this process for most projects. For more details on features and setup instructions, see the [Vitest integration Get Started guide](/workers/testing/vitest-integration/get-started/).
 
 <Render file="testing-pages-functions" product="workers" />
 

src/content/docs/workers/testing/vitest-integration/get-started/index.mdx

@@ -10,7 +10,7 @@ description: Install and set up the Workers Vitest integration.
 
 import { DirectoryListing } from "~/components"
 
-For most users, Cloudflare recommends using the Workers Vitest integration for testing Workers and [Pages Functions](/pages/functions/) projects. [Vitest](https://vitest.dev/) is a popular JavaScript testing framework featuring a very fast watch mode, Jest compatibility, and out-of-the-box support for TypeScript. In this integration, Cloudflare provides a custom pool that allows your Vitest tests to run *inside* the Workers runtime.
+Testing Workers and Pages Functions within our Workers runtime can be challenging and requires additional manual setup. To address this, Cloudflare offers the Workers Vitest integration, which streamlines the process by providing a custom pool that lets your tests run directly inside the Workers runtime using [Vitest](https://vitest.dev/). Vitest is a modern JavaScript testing framework with a wide range of features such as an instant watch mode, snapshot testing, code coverage, built-in TypeScript support and seamless Jest compatibility.
 
 The Workers Vitest integration:
 

src/content/docs/workers/testing/vitest-integration/index.mdx

@@ -8,7 +8,7 @@ sidebar:
 
 import { DirectoryListing, Render } from "~/components"
 
-Information about the Workers Vitest integration - the recommended package for writing unit and integration tests for Workers.
+Information about the Workers Vitest integration:
 
 <DirectoryListing />