I've been asking for better controller support for years, Codemasters/EA doesn't care about controller players.
Back in F1 2012/2013 there was an option to disable all the controller filters/dampers, enable raw input and fine tune from there, which would result in very responsive steering and make it possible to make quick micro corrections.
However with the current engine they're using if you play with controller there are filters/dampers that are automatically applied and cannot be turned off, they slow down inputs and make controls less responsive. Those filters/dampers are great for people with sloppy inputs and/or people who use tap steering, but for people that use precision steering they're nightmare since it's impossible to make quick small corrections.
But again, I've complained about this for 10 years in the official forums but Codemasters never did anything to improve it, never included the option to disable all the filters/dampers, so we're forced to deal with the forced-on filters/dampers that slow down inputs and make controls less responsive.