All I care about is having a good strategy that works. Whether it is personal or general one like the one we can buy from pro traders that must have developed fast working indicators or bots that give a better results. Trading is sweet when we have a strategy that works as atrader and we are earning from it. It does not matter how we get to know about the strategy because what matters is the amount of turnout we having on a weekly basis. Strategies do expire so we need to be updating it according to the market differences.
You have summarize everything by going to the main point, either its a personal strategy or a copy strategy, the main question is are you making profit from that strategy. If I have a personal strategy that works fine and I was able to make profits and little loss, I will be glad and will continue to use that strategy but if the loss is more than profit, I will improvise and look for alternative that works better. I find it funny when traders try to convince other traders to use their strategy that they don't have any loss, these are the red flag I see and run away from anytime I see other strategies that are too good to be true.