Just to note, I think the headsets that come with the fbim ejeas are rubbish. If you buy one, you'd be best to consider that you need to buy an alternate headset.
Couple of options:
This is not that extreme. OFFInABUS doesn't have to mean swearing either. Have heard of a player who advised another player that they were glad his child was disabled.
Hopefully you'd agree that is red card worthy.
For example, these?
They look identical to the spintso comms kit, and the refsworld one. Have used the spintso, and thought they were pretty good. For reference have used vokkeros...
At higher levels, instant responses to trouble is a key component to retaining match control. You're correct that they are aids, as are comms, but they're invaluable, especially for off the ball antics behind the run of play.
The laws are quite specific on these situations, so take the advice that knowing the laws well, helps you manage game situations. In this case check law 8 around dropped balls and note:
"Any number of players may contest a dropped ball (including the goalkeepers); the referee cannot decide who...
I can understand why you'd seek the opportunity to play advantage in a dogso-yellow situation, but in such a blantant dogso-red, I can't help but feel the game, and match control is best served by the goalie walking, and having a week off.
I don't speak Dutch, but here's what VAR and ref discussed.
I think it's one of those ones where it's a clear penalty in parks football, but at this level, you can conclude that the attackers moves the ball away to a place where he can't regain possession to invite contact and a penalty decision.