coachrefparent
GOLD
"Any other cause" of "time lost'"; not simply any other cause that the clock was running. Normal stoppages such as goal kicks, and a player kicking a ball to a corner, are not "time lost." A referee can't (shouldn't) add time just because there was no "active play" (in your example.) The full sentence is "any other cause, including any significant delay to a restart (e.g. goal celebrations)." Any other cause still refers to "lost" time.US Soccer and Cal South do provide good training on time management. At our July 2018 referee association meeting Time Management was the subject. Law 7 does cover Duration of the Match and the third line item addresses Allowance for Time Lost. The referee may add time for substitutions, injured players, wasting time, yellow and red cards, water breaks, and "any other cause. If no 4th official the CR is supposed to announce the minimal time additional time which time may be added to that if there is a reason. If there is a Penalty kick, the game cannot be stopped until the PK is completed. We had an interesting training at RPD that showed during the WC that each game only had active play for 54 minutes (not exactly sure of the minutes but it was close to 54) of the 90 minute games. The lost time was for throw-ins, setting up for set plays like goal kick, free kick corner, substitutions, injuries, etc. So, there are plenty of reasons a referee can use to justify adding time.
But this has nothing to do with the question presented, which is whether time can (should) be added to allow a free kick (other than a PK) after time has expired. If the referee has already decided to add time (and is permitted under the local rules), that's fine. But to arbitrarily add time after time has expired so the offense gets "it's last chance," is simply contrary to the laws, as we all know.