I understand... I know the sp manipulation rules are not crap,...

I understand... I know the sp manipulation rules are not crap, but you being fed a line from the brokers/banks myou mention.

Because those brokers will not offer you the functionality does not mean you are not allowed to use it.

they just have a business model centred around offering the minimum possible, because Australian diy investors are a small captive market that are used to paying big fees for financial services. why offer more for the same price

I am a retail punter like you. I choose to use an international broker that is an ASX member. I can open algo order after algo order and buy my stock in random lots not exceeding $5 (or whatever), between prices x and y all day long if I choose to.

You are being fed a line. It has nothing to do with market manipulation. you can use it if you want to