Such clauses have always been in the Sony ToS. They're actually so vague, you can have browsing non-Sony websites on your Vita get your PSN account banned.
jc_gargma wrote:A) They can't catch them and hope this will help
That's why PS5 games will come with a Sony representative clone.
jc_gargma wrote:B) Its a cheap pandering to their fanbase to rile up hate against CFW users
They want to make it look like CFW user == pirate and cheater.
jc_gargma wrote:C) they are still worried about legal consequences for banning people
Some countries in fact have laws preventing companies from denying you a service you have payed for. In such a case, Sony wouldn't be able to ban PSN+ subscribers.