I dislike Davies because:
- Rose the fucking Mary-Sue. She's the Doctor's WUN TWU WUV and super-special and awesome and amazing and at one point I honestly thought the show was just going to turn into a soap about her and her ULTRA SPESHUL family. Honestly, during Davies' run the Doctor spent most of his time in 20th century London running around after Rose and her kin. It got so stupid. Then Martha is introduced and all the Doctor can do is ***** about how she's not as SUPER AWESOME OMG as Rose. I'm not surprised Moffat made it perfectly clear that we would never, ever see her again - it's clear that he hated her as much as (most of) the fandom came to.
- His attitude towards sexuality. In Torchwood he made it perfectly clear that he basically thinks bisexuals = sluts and that an adult show means cramming in as much sex as possible, even if it makes no sense. (See episode two - an alien who kills with orgasms. Gosh.) This could have been salvageable had he then actually put some mature writing into the show - but he didn't. In the first episode he has Owen use a date-rape drug and treats the whole thing like a huge joke. Because duping two people into sleeping with you by using an alien device is totally not date-rape, you guys. Lighten up hur hur hur!
- The way he treats the fandom. He acts like he is the only one who understands "Doctor Who" as a show, and any time a fan voiced any complaint about the direction he was taking it in he would throw a hissy fit and ***** about how he was in charge so fuck everybody else. I also notice in the "Doctor Who: Confidential" that he would barge in on episodes written by other writers and basically say they got all of their ideas from him ISN'T HE CLEVER YOU GUYS. And he takes full credit for reviving the show, ignoring everybody else involved.
- What he did with Ten. Towards the end he was practically saying the Doctor was Jesus and that he's more of a deity than an alien (which is NOT THE POINT of "Doctor Who" as a show - it is a show about an alien with a time travel machine, not Jesus and His Magic Blue Box) and had every single human fawn over him in a way that was quite frankly embarrassing. (See: Lee Evans). He also did that whole "the Doctor is way better than us dumb humans will EVER be" thing with Harriet Jones, and basically mind-raped Donna against her will but hey that's okay HE'S THE DOCTURRRR HURR HURR.
tl;dr he's a smug, self-centred arsehole who almost ruined the show by making it all about his Mary-Sue self-insert. I'm glad he's gone - had series five had him in charge I doubt I would watch it.