Who are the people talking about you need to save and re-load every fight for Tactician? Lmfao, that is 100% untrue..
Your making an overarching statement that in itself is untrue. There are people that will do save scumming at Tactician level, just because you do not does not mean others do not.
For me I have not had to, but it is not because the game is so "easy", but rather meta knowledge of knowing the fight in advance and already having a plan for how to deal with it. Someone starting with ZERO knowledge at Tactical likely could not do this.