What about Turing and all the other guys that have done and still do great work? Should we end their careers because some of their work is secret? That's just un-australian.
Greed - there's no reason why Yahoo! cannot operate as a smaller but profitable business - it's never going to be the industry leader it once was but the fact it's still around after all these years is impressive in its own right - a new CEO needs to come onboard and give the company the respect it deserves by cutting a lot of staff, products and services and focus on a smaller set of services that drive a smaller profit.
That's a rather large downgrade to the previous accusations. From evil company to a company with no benefit to mankind. I think you can say that about a lot of peoples jobs - what's your point?
Are you kidding? There are plenty of devs that build bootstrap front ends - if this makes life easier for them and saves time / effort, it's an easy decision to purchase this. There are other front end frameworks that with IDE's that people pay for too such as vaadin. You're probably not in the target audience for this.