Here is another reason why standards matter.

Sam Palmisano, the CEO of IBM, challenged his entire company to
migrate to Linux for their desktop systems by the end of this year.
Turns out things aren’t going so well.

IBM is running into this one tiny little problem. You may have heard
of it, it’s called Internet Explorer. See, many internal IBM web
applications were written with IE-proprietary code, and darned if that
isn’t just one big, huge migration hurdle right there.

From here.