I'd have to go along with jps1006 and Doug.
As long as you know how to do these tasks properly
there shouldn't be a problem.
And it is also true, there are Tradespeople out there that regularly muck up the simplest of tasks, just depends on how well you were trained in the first place.
Nailing recessed lights to joists.
Is this true?.
Over here we have to keep them as far as possible, away from combustable materials.