It’s not extra and their hardware is still far better than the competition. Square is still awesome in the small business PoS space. Their lead has not shrunk.

Toast has already caught up in market share, and dominates the restaurant industry. Square's numbers have been stagnant for many years.

And more importantly, the entire premise when Square launched was that app-based "cloud" PoS systems would replace all traditional cash registers. Except now 15 years later that simply hasn't happened. Existing players in the space all caught up and shipped chip and NFC readers to their retailers, and that's all that was needed.

You might think Square has better hardware/software, but they absolutely are extra cost-wise for small businesses if you compare them to e.g. Helcim.