Ordinary users don't care about terms like 'Rollup' and 'Modular', they only recognize two things: is it fast, and is it expensive? Transferring money on Caldera's chain is instant, with a mere fee of one cent—much more comfortable than waiting for half a day on the mainnet and spending several bucks.
Once I saw an elderly lady using ERA to pay for gas, saying 'This thing is even more convenient than WeChat transfers.' She may not understand the technology, but she became one of the 27 million wallets—if it works well, that's enough. ERA being used by people like her adds some real substance compared to tokens that are only traded on exchanges.