Re: "including an arthritic decision making process"
"old style companies"
Old style companies are that way because they've been around for more of the lagging disadvantages to have caught up with them. Newer companies have yet to get there.
"or buy any startup they think could be used - even just to gobble products and never let them available outside."
Apart from the killing competition aspect don't you think this is a sign of not being able to develop new stuff themselves? It's easier to make a few big decisions like this than it is to review every small item of expenditure that's involved in micro-managing day-to-day stuff with a big development team.