Almost all of the things you brandish as palpatines strengths are actually weaknesses. Just to name a few.
Really? You think so?
1. His "incredible power" destroying his body is not a sign of great power, but a sign of lack of control
You miss the point entirely. Sidious had so much raw power that it was destroying his body. Which makes sense as his "connection to the Dark Side" was heralded by Ancient Sith on Korriban, who stated that he gave himself completely to the Dark Side, suggesting a strong connection with it.
2. His inability to let go of his fear of death took him to such great lengths that he ended up driving himself insane.
That is a personal trait, not a feat of power or weakness. You are pointing out a psychological weakness, to which I could shell out a lot of his strengths. He's a genius, master manipulator, politician, political tactition, cautious, careful, precise, and clever.
Hell, if we went on intellect alone, or achievements, then Sidious would sit - undisputed - above Marka Ragnos and Exar Kun for achieving more in his lifetime than they ever did.
But we don't. So point moot.
Palpatine created his superweapons with pure technology, Marka created a scepture that could destroy an intire world with severly less technoligical resources.
The scepter could destroy a world? Really... I was under the impression that it could drain the Force from worlds.
Marka's scepture can be a measure of his power in a way. Having the power to make a small object with the force, that can not only destroy a planet but drain the power from it and make himself more powerful, is at least just as impressive as any one thing that palpatine has done.
Mm-hmm. And, as I said before, it doesn't, because the power came from the scepter. Implying that Ragnos himself can neither destroy planets nor drain the Force from them.
So, I submit a counter-question. Why would he build it if he didn't need it?
And furthermore Marka ruled over the sith people for a century and eventually died of old age, then excepted it. He also had the forsight to warn the two bickering sith of the aproaching danger
.
Props to him. I never denied he was the greatest or most powerful of his time.
Sidious ruled the galaxy (much larger than anything Ragnos conterolled), instituted the most powerful military regime ever, exterminated the Jedi Order, sacked their Temple, and destroyed most of their knowledge.
Marka ragnos was an accomplished leader, a wise sith, and ruled his people with athority
Palpatine was an even more accomplished leader, a wise Sith Lord, and ruled the galaxy with authority.
Sidous couldn't even control his own power, a coward, and a tyrant whom in the end was defeated and alone.
Sidious possessed raw power beyond control. He wasn't a coward (I suggest re-reading every Clone Wars-era novel or watching RotS, where Sidious put himself in the middle of a devastating space battle or in RotJ where he put himself as bait on the Death Star). And, a tyrant who ruled the galaxy and accomplished more than Ragnos, Kun, or Sadow ever did.
Don't argue achievements when arguing against Ragnos. Because, Palpatine - in terms of achievements, political, and military might - WTFpwns all other Sith Lords.
Stick to combat, where Ragnos is on par with Palpatine. Because he ain't in terms of achievements.