[TheAceOfHearts]

I didn't read it that way at all, it's simply highlighting that there's a large number of options to chose from! It's great that more companies are publishing their design frameworks, although part of the reason for doing this is certainly to attract talent.

Having partially reviewed a couple of these, I'd say quality varies quite a bit so be sure to dig through the code to see if you'd be comfortable helping maintain that. Always be sure to review the license! For example, Microsoft Fabric is MIT, but the assets (fonts and icons) are under a separate license.