BMW is probably the worst example there
It's a very top down company. If they CEO says they should switch to V-tech computers, they will do so without a whimper.
And a million requests per second aren't _that_ impressive. That's 11 requests per second. Fefes Blog (http://blog.fefe.de) probably has way more, and it's running on some very old machine.
Other than that, of course Pixar is an impressive example, they need the cheapest processing power for their render farms, and the fastest systems for their animators.