It mainly seems to be the Americans who equate an ankle tap to a 'trip', which is prohibited. In UK English a trip is a lower lib on leg action, not...
Even if the team ends up with players off the field? That seems poor coaching to me. If your defensive system / plan is illegal you need to work out...
If the tackle is preventing the ball carrier from reaching out to score, then forcing the tackler to release is demanding that he gives away a score...