Yes, it was quite devious of them to name themselves in a manner that would confuse some tiny fraction of the cryptocurrency geeks [1] that know what a coinbase is, but don't know what Coinbase is.
[1] Which constitute some tiny fraction of the user-base of cryptocurrencies - which is predominantly a gaggle of day-traders, conmen, and the occasional normie who needs to pay a ransomware operator in Belarus.
0: In the Bitcoin protocol a transaction which generates new coins and issues them to the miner of a block is called a coinbase transaction.