Makes saving yourself from a fall (clutching) much more reliable, as holding right-click guarantees a block will place the instant your crosshair hits a surface. Is Auto Place Allowed on Multiplayer Servers?

Most major servers consider any form of automated placement (especially for bridging) a cheat because it provides an unfair advantage over vanilla players.

He realized then that the skill—the true "auto place"—wasn't in the code. It was in the muscle memory.