I drove in and out of Croatia six times last summer always coming/going from Slovenia. Long queues and passport checks every time. So if what you say is true

I drove in and out of Croatia six times last summer always coming/going from Slovenia. Long queues and passport checks every time. So if what you say is true and you can drive without noticing the border there must be some bias. Possibly depending on which country of the Schengen zone you're entering Croatia from.