Yes this would work assuming one finds a workable system like you have... Many think just "reversing" will give them the keys when in fact the reason they are losing is because they can't overcome execution costs with whatever method they are using. I have only found a couple things that work OK on longer timeframes , nothing to write home about so I don't even use them.
I worked with a "professor" who said just that. Lets turn our market making system into a breakout system... do the opposite. I still wonder how much money he lost throughout his career.
If you inverted a market making system on an instrument that had a *very fine* tick increment, that could be plausible, I think. So long as it was buying/selling a lot of the liquidity, and exhausting the other market makers. <evil grin>.
Come on fella. Think it through, and post something intelligent. Would it be a good idea. Why / why not. Where the error is. I'm pretty sure you're smart enough
If the system consistently lose, you might have to figure out why first. If it consistently lose because of commission and spreads, then reversing it wouldn't do you any good.
I made $$$ reversing a 100% losing system for 18 months.... till my programmer learned that there was a 0/1 mistake somewhere so we traded it "the right way". If it makes $$ who cares - just know it can lose just as fast...