Now staking is very popular because it requires to earn more income. Especially staking popular when market rise. But a lot of depends on the projects. Now appear a lot of projects that offer many useful things and products like this
https://twitter.com/InpulseX_io/status/1511365325950005252Many project uses staking to attract more users and get their loyality.
The ability to get passive income thanks staking attract a lot of users.
Staking now is very popular because different DeFi products use staking to offer different financial services.
To be demand every project must have a good liquidity and a lot of users.