[mkesper]

That's absolutely nuts. Would you risk building upon a stack that might be sold tomorrow to a competitor and killed instantly? Without software freedom and a community this is just a toy.

[TuringTest]

Companies do it all the time with other software platforms, it really depends on the level of service contracted.

Prudent companies also require the source code to be kept in a holding that transfers ownership to them if the supplier goes bankrupt.