Got Snap to Point turned on? Menu: View > Snap To Point (down near the bottom of the menu)
Otherwise you can turn it off ONE BY ONE for each new object using the transform palette.
...so I can actually get some work done quickly and efficiently without this backward-thinking and inefficient/inaccurate crap from Adobe.
It's a poor craftsman who blames his tools.
What I can do with certainty in (e.g.) 3 clicks in other applications, requires 7-20 clicks in Illustrator to achieve the same result.
Then I respectfully submit that you may not be the "power user" of Illustrator that you claim to be.
Sure, there are one-click shortcuts CorelDraw and others offer (like the uni-directional Gradient Feather) that aren't in Illustrator. But when you know the ins and outs of the program, you can match any such effect with ease.
just worked out how you may fix this issue:
preferences>guides & grid
and towards the bottom you will see a checked box for "Show Pixel Grid (Above 600% Zoom)"
uncheck this box, and if you have all other pixel grid options turned off, that should be the last time you're bothered by it, it worked for me