Wrong, it is illogical as f*ck.
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So you think it is logical to get from "weaker than SS1" to "on par with a fully trained SS God" in just 4 ridiculous months? To become as strong as someone who has freaking
GOD Ki ? Is it logical that someone who feared an ordinary super saiyan to death, can become as strong as the most powerful beings in the universe? Also much more powerful than the absolutely feared demon "Majin Boo"? That's just insane.
It's already bullshit that someone who has no god Ki can even compete with someone who actually has it.
Goku had to learn all of it the hard way and Frieza gets everything by free in his ass?
I hate this "Frieza is a prodigy" crap so much. Such an argument is just an excuse of an author for lazy writing.
Bringing back frieza was only fanservice, as much as DB Super in general is just fanservice. I don't think that the story will improve very much. I mean, really. A tournament across two universes because of food. The DB-franchise did some reaally bad regresses.
Don't get me wrong. I really like the idea of Beerus and Whis being there, I like them.. and Goku&Vegeta tapping into the heights of gods.
But overall, DB GT was so much better, while being trash most of the time.