Of course, I'm not a police person or anything, but I would imagine such resources are limited and time-consuming and expensive.
Wouldn't it be better, then, to concentrate such resources on finding paedophiles, international people trafficking gangs, and drug runners rather than tying them up trying to find someone who might have looked at someone funny, or who misgendered someone else's cat?*
Just a thought.
*A designated police officer in every force could receive specialised training on telling complainants that "sticks and stones may break their bones but words can never hurt them", and suggesting that they "feck off and stop wasting police time, ye soft nowts".
I myself will be prepared to run such training courses at very reasonable rates*.
*I consider them reasonable. Others may not