VAR for subjective decisions was always going to be a mess. You were not only going to end up with inconsistent decisions but there was always going to be decisions like today and the Fernandes pen vs Villa that were so clearly wrong but not get overturned leaving supporters bemused as to what's going on.
VAR's not going anywhere, we can just only hope that, like they did with cricket, this clear and obvious thing disappears and they just let the VAR make the incorrect decisiosn. Using technology and still giving the correct decision is just stupid.
Yep, it can't be used for subjective decisions, or if it is, the ref himself needs to go and look at a monitor, that gives a greater degree of accountability.