100% Organic Freeza: I feel AT had in mind two close powers clashing. Why would he give Freeza all that impressive power up sequence (50%-100%)
if he wanted Freeza to still be a small fry to Goku? He could've just let Goku finish Freeza off right away.
Mecha Freeza: I feel AT wanted him slightly stronger than the last Goku we'd seen, otherwise why did he bring him back? The purpose of Freeza's
return was to make the readers worry like ''oh, gosh, he's now stronger than Goku was when we last saw him, the situation is serious''.
Future Trunks: I feel AT viewed him as stronger than Mecha Freeza (to advertise the new villains' omnipotence), but not by an one shot margin.
Otherwise, he'd first show Mecha Freeza power up to 100% and then Trunks one shotting him. AT didn't let Mecha Freeza go 100%, because he
had outlived his usefulness and AT didn't want to drag the fight any further.