Many footballers careers are ended because they are not good enough or through injury so I'm not quite sure of the point you are trying to make.
Chris Gaffeney (NZ) - List A 12 years
Rod Tucker (AUS) - 103 FC matches
Richard Illingworth (ENG) - 19 year FC career. 5 year Test career
Richard...
1) Try sacking a couple of VAR officials who make significant mistakes. Try that first to see if the others then improve when they know they are going to get sacked if they get a major decision badly wrong ie those where the PGMOL has to issue an apology.
2) Sack Howard Webb
3) Ask PBOBE why...
Technology exists to determine whether the ball has crossed the line for a goal so I'm baffled why that technology can't be used for the full length of the goal line.
Having seen VAR used in global tournaments and in CL without much controversy at all, I conclude that it probably NOT the VAR...