The trouble with telling tanks W2W pulls are a mandatory norm.

[Xirean]

No one demands slow, leisurely runs. They simply put minimal effort into their own play; they don't tell you to slow down or care if you want to optimize. That's the difference; lazy players don't care what the rest of the group does, and that's why they don't need to use PF to force anything. You need everyone else to play a certain way to get what you want, though, hence why PF is the solution to your problem.

There are actually people who demand/request slow runs. Additionally something NEEDS to be understood here. Everything that everyone does in a run impacts the other players in the run.
Go fast: Have to play more efficiently
Go Slow: Spend more time in the instance
Don't do mechanics: Healer has to heal/res more often
Don't do combos: Fight takes longer or in some instances a wipe occurs
Don't use tank cooldowns: healer has to heal more

This can be more in depth, but people really need to understand that wanting players to have a reasonable baseline is not a bad thing. Acting as though going slowly is the default is simply untrue. Similarly acting as though going insanely fast is the default is also untrue.

So, if someone is playing reasonably efficient and optimal that's fine, but if someone is putting in too much effort and playing too optimally that becomes a problem for you? I didn't say you "expect" ultra effort I said you'd "prefer" it.

I feel like this community is really bad at reading and understanding words.

Thank you for describing yourself so succinctly.