I'm not really sure what to say to this, to be honest, but I'll try saying it.
This isn't going to happen, period. Sorry, but it's a forum and other people have plenty of reasons to lock threads - for example, if spammers are spamming a thread to oblivion and it's the kind of posts that can't really be deleted... locked. If a product seller ran out of stock but ignorant customers continue to ask and beg to resupply... locked. If the
owner doesn't want people to respond to the thread... locked. Etc.
Something should happen - once the software is able to customize more features. For example, its not supposed to limit some "freedom" as you would imply by saying "its a forum" but given the amount of scams and attempts, why not set a real serious trust system, which would be similar to the signature rules.
Why are "newbies" with zero postings allowed to lock threads and self moderate topics but for their signature or posting/pm rights they need to "verify" themselves by activity. For me its like a loophole they are abusing - at least make it more difficult for them. If there is already an order in place set by activity and trust for such things, why allow newbies from the start to self moderate? Thats something you wont find on "any forum".
The idea is not to limit the board, but to adapt some rules that make more sense regarding especially financial offers. Most here are because they are supporting Bitcoin and often post themselves to warn others of paypal etc, so I dont see why someone would be opposed and especially real "newbies" coming here should be having the same interest in safety and im sure they would understand and support it, for their own good.
How many real newbies come on here with broken english "have 88$ pp, need btc.. no trust u first blabla" and lock the thread?