npm install gives many WARN deprecated lines - node.js

Question

I've been working around with React recently, trying to figure it all out and practice. But every time I create a new project I end up with a plethora of deprecated warnings. I am just curious as to why this is and how I go about fixing them as some of them say they are no longer maintained. It seems like they could just be removed but I'm not sure how to get that done or if I even should. Maybe it is just best to ignore them? Same thing goes along with the vulnerabilities, the only fix listed under them is to use fix --force and even that doesn't seem to fix the issues. Should I just be ignoring all of them? Here is the list I usually get on npm install or when creating a react project:
npm WARN deprecated flatten#1.0.3: flatten is deprecated in favor of utility frameworks such as lodash.
npm WARN deprecated #hapi/bourne#1.3.2: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated #hapi/topo#3.1.6: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated urix#0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated chokidar#2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated chokidar#2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated resolve-url#0.2.1: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated querystring#0.2.1: The querystring API is considered Legacy. new code should use the URLSearchParams API instead.
npm WARN deprecated sane#4.1.0: some dependency vulnerabilities fixed, support for node < 10 dropped, and newer ECMAScript syntax/features added
npm WARN deprecated #hapi/address#2.1.4: Moved to 'npm install #sideway/address'
npm WARN deprecated rollup-plugin-babel#4.4.0: This package has been deprecated and is no longer maintained. Please use #rollup/plugin-babel.
npm WARN deprecated querystring#0.2.0: The querystring API is considered Legacy. new code should use the URLSearchParams API instead.
npm WARN deprecated babel-eslint#10.1.0: babel-eslint is now #babel/eslint-parser. This package will no longer receive updates.
npm WARN deprecated uuid#3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated uuid#3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated #hapi/hoek#8.5.1: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated #hapi/joi#15.1.1: Switch to 'npm install joi'
npm WARN deprecated svgo#1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
npm WARN deprecated core-js#2.6.12: core-js#<3.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Please, upgrade your dependencies to the actual version of core-js.
I just want to know how to get these removed/fixed or if they will always be there and to just ignore them. Thanks for any help!