FIWI, I have personally not heard of a single one of those companies.
To continue the OP's concept, these are likely companies with employee counts in the single or double digits, whereas closed source companies have employees in the 5-6 digit ranges, reinforcing the "I'm not smart enough to get paid writing open source" concept the OP presented.
To continue the OP's concept, these are likely companies with employee counts in the single or double digits, whereas closed source companies have employees in the 5-6 digit ranges, reinforcing the "I'm not smart enough to get paid writing open source" concept the OP presented.