Keep in mind the BG and NWN games had a fake real-time combat system. The characters may have been in a constant attack animation, but it was rolling for a hit only every 5 seconds or so.
It’s an entirely different implementation than the roll-for-hit with every attack in MW, which was indeed a badly implemented system. If I see my sword make contact, damage should be done. End of story.
I found the combat system in Oblivion to be a massive improvement over MW. Massive. It wasn’t a perfect implementation, and it gets weaker and more repetitive as monster level goes up, but for the first 10 or so levels I find it quite ideal. Trading hits and blocks until you finally stagger the opponent and then going for the crushing power attack always felt well-implemented and rewarding to me, especially after the combat in MW. It falls apart once the creature HP far outpaces your attack power.
Levelling the creatures, spawns, and equipment was their big mistake, I agree there 100%
Oblivion stopped being fun for me about the time I realized treasure hunting and looting for a lucky high-level score early on was utterly pointless, and that every treasure in every ruin was completely random, and I would have no epic random relic discoveries anywhere at all. I hope they address the lack of incentive for exploration…