So true. Switching from one vendor to another is a huge deal. Documentation, code bases, tool chains, etc. require a huge investment in time. It's easy to do a

So true. Switching from one vendor to another is a huge deal. Documentation, code bases, tool chains, etc. require a huge investment in time. It's easy to do a quickie hobby project on a new micro but for a product you really want to internalize the details. The fact that almost everything is ARM now makes it a lot easier but the on-chip peripherals and tools are usually still very idiosyncratic.