analyse with stockfish 14 ?

Because stockfish is a free engine and chess.com is a commercial site. that is why its only allowed to use the older versions

For most purposes Stockfish 12 analysis is all that you need, but if you really want to analyze with Stockfish 14 you can download your PGNs and import them into an app such as Lucas Chess and analyze them there. >99% of the time what Stockfish 14 says is a mistake, the older Stockfish will agree.

What did Yurinclez2 mean by, "Because stockfish is a free engine and chess.com is a commercial site. that is why its only allowed to use the older versions"?