Maybe it's just not for you? Reflexes have been required in this game since the addition of red targeting telegraphs. It's not a new thing. Sure, it's more likely to one shot you if you miss a quick telegraph in higher level content, but the basic "dodge stuff or suffer" mentality has been about since launch. Might be best to cut your losses since everything battle related is going to require you to react or dodge. It's not necessarily a bad thing either. I can't play first person shooters because I suck at those.