Clause in free WiFi contract obliges thousands to clean music festival toilets
v3.co.uk
v3.co.uk
At least in US law, that doesn't necessarily invalidate anything else in a contract. Also, the enforceability of any clause in a contract is subject to local laws, jurisprudence, and whether the plaintiff can make a reasonable argument for why precedence might no longer apply.
Additionally, everything is in question when there is a binding arbitration clause. The ToS company usually pays the arbitrator (far more than any one defendant) and the arbitrator may not be bound by local laws to decide if a clause is enforceable or not. Also, you may have no legal civil recourse if an arbitrator judges that a clause is enforceable and you suspect it isn't.
I don't know if I agree that "we should do away with ToS and ToU contracts", but I think they should be trimmed back from what they are now. And I certainly don't think it's "more or less safe to ignore" a clause unless you discuss with your attorney.
IANAL