Water tight T&C for a website?
It’s a waste of time in my book but then I don’t know the trade you are in so maybe it is not one for you. Enforcement is the issue.
In any case, you are correct to be wary of what similar sites have as their own T&Cs as they probably copied it from another competitor, who himself had cloned it from...
But the only answer to the first 2 words of my post is: Go and speak to a specialised solicitor.