Typically, furries are gay, or in the LGBLT community.
Yikes.
Weebs are weird yes, but furries are weirder. that's why people hate furries way more. because it's easier to get into anime than it is to "love" humanoid furry girls or boys.
There's an element of truth to the first part but its overly simplified.
Furries do have a disproportionately high LGBTQ base compared to normal, something like 7x the norm.
Like most "geeky subcultures" you will find on average good school grades, and above the real world average for college/university graduates.
Studies of furry groups have found people reported around 50% higher rates of extreme bullying during school (that is before becoming furries).
The most common connection between people in the community is anxiety. Having a persona you can use to separate yourself from your real world insecurities.
The reason for the focus on anthropomorphised characters largely stems for many people from the bullying at school and the effect its had on their life since.
Most film and TV aimed at children uses anthropomorphic characters, people who have been seriously bullied through school often get drawn to an aspect of their childhood because of the connection to what things were like before they suffered with serious anxiety.
A friend of mine has a purple business suit, people assume he's attention seeking but it's a regular world equivalent to a furry wearing a fursuit. He wears it because in everyday life he's quiet, passive and anxious but as the guy in the purple suit he has a character he can play. People are looking at the suit not at him and that gives him the confidence to speak to even the most aggressive businessman on level ground.