There is no difference if there is a lock or not.
I would believe this statement if it would come from any other company than SSG.
We have seen in the past how fast SSG is with bug fixing. I would have died several deaths several times if I had stopped breathing every time the horrible things happened. (just remember the issue with tactical DPS rune! 5 months of silence before we got a "it is a bug" from the devs. (No, I will neither forget nor forgive that.)
So again: There is no difference if there is a lock or not. I really do not care about.
(I'm maybe not a hardcore progressive raider, but for sure a successful T2 raider)