I think we did some feedback about this in the time between the beta and now but it seems that it is still in the case that only support has smoke grenades, or at least engineers do not.
I do not think this is a good idea. Smoke grenades are very important and non lethal so even their spam does not hurt.
Absolutely agree. I wanted to try it first, but now that i tried it - no, smokes should be universal. You feel very helpless on some game modes without smokes.
Maybe things like motion sensor grenades or AT grenades could be class specific, but not smokes.
And if someone is concerned about about smoke spam, it can be adjusted by limiting the number of carried smoke grenades at a time, or increasing resupply timers.
