First off, this is not just a martingale EA. You can set it up to trade any style you want! I myself have a thing for marty's because I know what I'm doing with them. Flex offers an entirely fresh approach to automated in general which has also given me a fresh approach to marty trading. That's why I'm running Flex the way I am.
They've allowed you to essentially cut the risk down substantially over your traditional martingale EA's because of the more accurate entry points.
Could this account blow up? No, because I have the DD_StoplossPct set to 40 so I would only ever lose 40%. Even for that to happen with the risk I'm running it would take one hell of a movement on multiple pairs.
This is only the half-marty aspect of this EA we're talking about here, there are a million + 1 other ways you can set this thing up to trade which I've barely dabbled into.
If you want to disregard an EA because it's 'capable, but not limited to' trading martingale, then go right ahead.