I'm not sure, Alf.
Despite the snags, the technology has definitely improved rugby and cricket.
With football, the margins can be so tiny, the changed decisions often seem arbitrary.
Perhaps it can be modified, so that it becomes less contentious.
Its main positive is that players should not be able to get away with diving so often. It would certainly have overturned Brentford's second goal - if used properly.
It's the "toenail" off-sides that are difficult to accept!