I feel like the 'Spurs shouldn't be able to play teams in different stadiums because its unfair' argument carries less weight when we play in a league where january signings are a thing.
How about last season when teams faced Liverpool before and after Van Djik signed, was that fair? Or heck, when Liverpool signed Suarez?
Nobody seems to have such objections to this, even though having extra (sometimes world class) players is a much bigger difference than what venue you're facing a team in. I really don't get the fuss that makes out there will be some huge difference, the new stadium will probably feel no more home than Wembley does now, I would be surprised if the results there differed much if at all.