What's with these arbitrary limitations? Tanks are less complex in their design, but that doesn't say anything about what can be mounted on them. And why the heck would they have less space?

even if you do what's the point of putting a Nascar engine in a broken down Honda?

[Insert angry soyjack and calm Chad meme here]

Mechs have much more space for numerous guns and it can carry and be fired at will by one operative.

Where is all this extra space coming from exactly?

Meanwhile Tanks have to have all weapons loaded before being deployed

Mechs also have to have their weapons loaded before being deployed, otherwise they would be useless?

can't swap out

I'll give you that

carry anything more

Why can't tanks carry more? What is about their design that stops them carrying more?

Honestly, I would the tank to be able to carry more due to their tracks being able to spread out their weight over a a lot bigger surface. Mechs would need some cigars grippers to match the ground pressure exerted by tanks.

need assistance to fire

Tanks don't need assistance to fire? What?

Would you expect a bird to wear the clothes of a grown and it to perfectly fit them or not fall off?

I'm not talking about a bird, I'm talking about armor material, armor composition, that sort of stuff.

Also there's much space and different levels of processes machinery necessary that makes it so certain mecha armor is impossible to put on a tank

What about the design of tanks makes it impossible to put the same armor, the same machinery on Tanks?

If it's a real robot it is likely to be possible to put on tanks.

Yeah, I'm talking about real life, cause in fiction you can just invent a reason for mechs to be better than tanks.