Whatever is triggering sounds by resize should also be able to query the width of the window and serve a sound accordingly, but then it comes close to actual work instead of a cool demo.
Maybe it's because some people are genuinely good people.
That, and anyone in a collaborative field would gladly welcome beneficial tweaks to their product. Karma.
Sure, but the beneficiary is a company, and publicly held at that. You're alluding that the inverse is true, that not sharing exploits with a company who's sole purpose is to accumulate money somehow makes you a bad guy. It doesn't. That's like saying I should code for free in order to be a good guy.