Staking allows to earn passive income and does not require electricity. So it safe for nature.
For those people why do not want to buy coins for staking they can participate in airdrop like this https://twitter.com/CairoFinance/status/1506234326853238791
Cryptocurrency give people many opportunities to earn money. One of such opportunities is staking.
A lot of people block their money in liquidity pools to earn money from providing liquidity.
Now many people think that the price of cryptocurrency will continue to grow. The popularity of cryptocurrency grows together with demand in digital assets.
Adoption of cryptocurrency grows all over the world.