It's not a pen. The over-sensitivity makes sure it's nothing like a pen.
It's like a frankenstein assembly of the worst properties of an airbrush and a 1/2 inch felt pen.
Add to that the awkwardness of the pen buttons, and it quickly became the least used computer peripheral in a room nearly full of them.
I may be spoiled, but when I first used pen tablets, they didn't pretend that the pen was touching the table at half a centimeter above the surface; I'm surprised they can even sell this design to people who have used earlier pen tablets.
No, not spoiled, they improved tablets, but you haven't been able to adapt!
It seems you simply haven't twigged how to use the pen properly. Moving cursor with pen above surface, moves cursor, which makes sense. Moving pen on surface acts differently. Move across text with pen on surface and it will select text.
like a real pen in this aspect. Place a pen on paper and it writes, lift it up and move it across page and it doesn't write. Not exactly a difficult concept. A graphics tablet works just the same way, just substitute interact for write.
The other thing is you need to set up the tablet to your own taste. I use a small tablet and a partial segment of that area [to minimize arm movement] and have the tip set quite soft. Unless you draw artwork there is no need for a large tablet. You don't need an A$/A3 space to move your mouse so why need that much for a pen.
I have also used both the Intuous and the Graphire. The Intuous is waaaaay better. And the the Graphire is waaaay better than non-Wacom tablets. A shame there is no real competition as Wacom kit is a tad pricey.
I use the tablet with right hand and mouse with left - a good way to minimize RSI.
As mentioned above a mouse ids better for some things than a pen and vice versa.
Using say a brush in PS with a pen is much nicer and has far more finesse and control than a mouse.