Ignorance is never a legal defence with the single exception of signing a will.
UK has other protection as well, eg LL doesn't hold tenants deposits directly.
Anyway, yes, caveat emptor but buyer should be beware not raped.
Thus since the "consumers" you (?) were referring to in the earlier post are the "landlords", Singapore in fact protects the consumer by allowing them to rape tenants at will due to the complete absence of landlord and tenant laws

"Anyway, yes, caveat emptor but buyer should be beware not raped."
Ain't it the truth. I'm going to put this in my sig.