There exist people who own their own hardware and are not providing an API to run arbitrary code. If they get together and build an OS they are generally more

There exist people who own their own hardware and are not providing an API to run arbitrary code. If they get together and build an OS they are generally more interested in throughput than security models. Both have pro's and con's but the fact is: one is more popular with the "just get something working" crowd for better and worse.