Psychoanalyzing someone based on their works... The confidence in your assumption amazes me.
Are we going to assume now that the author of AoT is a genocidal maniac?
Can't you just say that the author is not good at writing complex villains and leave it at that?

Not sure if you're allowed to provide links here...
But it's being translated by Foxaholic, so you can look on their website.
Pro tip: When looking for novels, always check on google; "[Title] Novel updates" so you can find where to read it faster.

We'll I'm only at the 4th world so far, but to get a gist, Tia and MC travels those worlds together and guide the heroes, no other people joined them as far as I'm aware.

It's because, [Novel spoilers] Tia used the sword he left behind to track him.

In record time...
Now the other two Gal's(In a different manga) turn to do this..

All girls are lovely, but she's definitely the girl I'm rooting for the most. So I'm happy, and a bit wary about this...
I am hoping we get a multiple end tho, as a harem-enthusiast.

Prolly because Uryu's future is already tied to the Amagami household. I'm guessing were getting multiple endings(Worlds) at the end.
They did met the shrine deity in her arc afterall.

You could say... that she's a losing heroine.

Yes, yes it was. And not even the good kind.
I didn't bother trying his other work because I don't trust him to cook well.

Rent-a-GF could never...

I don't want a redemption arc of her. I want revenge arc for him.

So this is pobably going to be like a self-fulfilling prophecy.
Because they tried hard to stop the oracle, they fulfillled the oracle about Atou destroying nations...

Rent-a-GF could never achieve this manga's peak.

The father, unsung hero.

In this case it's fine, since she's a succubus.

Top 10 Anime speeches.

Now author... Please make polygamy legal in this series and I don't care how!

Dark energy < Snu Snu

You know... I just realize the art is strikingly similar to 'Kendo girl" doujins I've been reading lately...
Edit: Yep, same author.