Learn English – Additionally … also

A redundant thinking / writing is not necessarily grammatically wrong but in this case "also" changes the sense of the sentence to whom is talking. He or she becomes the center, and leaves "you" behind.

I cannot hit every aspect the OP raises but I will address "moreover" and "also" in the first segment he gives.

My hometown is a deplorable place for it is so urbanized a concrete jungle that even access to a tiny piece of the natural scene therein is desperate, and moreover, the cost of living therein is also so exorbitant that one usually has to have a very highly paid job to reach decent material condition.

To simplify that

My hometown is ugly for x, y, and z reasons, moreover, the cost is (also) more than most can afford.

"Moreover" could be replaced with 'and' or 'and also' if you wanted.

My hometown is ugly in this complex way, and (also) has high rent.

But the problem with 'also' (where you have it) is NOT redundancy !

The issue is your are signaling a second attribute to "cost" that is not there.

This would work:

My hometown is ugly for complex reasons, moreover, the cost is hard to afford and also a bad value relative to other states.

So - not redundancy, but a comparative word placed where there is nothing it is being compared to.

As for the Oxford Living Dictionaries

The university itself, moreover, is also unable to launch a serious defence of the proposed centre.

@Jason_Bassford 's comment to another answer gives one way the sentence could work.

The residents are unable to launch a serious defence of the proposed educational centre. The university itself, moreover, is also unable to launch a serious defence of the proposed centre.

I would admit that the word "itself" and/or an omission of and object or party that the defense is being launched at boxes the "is also" into a mirror response.

Without 'itself' the university might be unable to do a few things in prior sentences.

If there were an object like "neighbors" then you could have Chemistry department is unable to convince it's faculty. Moreover, the University has been unable to launch at defense for the center in the planning council meetings.