Isn't it the case that these alternative blockchains are only cheap because practically nobody uses them? There's a recent example from the Polygon blockchain,

Isn't it the case that these alternative blockchains are only cheap because practically nobody uses them? There's a recent example from the Polygon blockchain, which was also sold on having gas fees on the order of a penny, until the recent launch of a Polygon blockchain game which drove enough transactions to push the gas fees up to half a dollar. https://www.coindesk.com/tech/2022/01/06/polygon-under-accidental-attack-from-swarm-of-sunflower-farmers/ https://www.coindesk.com/tech/2022/01/06/polygon-under-accid... They don't seem to really be solving the scalability issues, but rather just kicking them down the road, at which point yet another blockchain will pop up to "solve" the issue.