The coin is created when the blocks for the blockchain are made. The servers of the witnesses transport all the data with these blocks, and a part of them also make those blocks (and coins).

The more coins are used, the lower the value. Stopping the creation of Steem is possible if servers are shut down, but this also means the blockchain falls apart.

An option to get and keep the value high is if Steem is hodl or bought and hodl. The more is sold (this you also do if you exchange it for a different crypto) the more the value drops.

The big whales and scammers take a lot of Steem and add nothing to keep the value high. They all sell steem sondoes everyone who takes it to live from and always powers down.

Burning Steek didn't work since the biggest wallets did not join.

Now SBI is burned. Not yours, not mine, but the SBI that has never been paid out. It could be exchanged for Steem or something else, but by burning it, it is taken out of roulation which means: fewer Steem and hopefully a faster result of it comes to the value of Steem.

Hive deals with the same issues and had a hard fork but they also control the platform more if it comes to scammers.