Keep in mind that the memes you see are extreme examples. The vast majority of compound words consists of 2 or 3 words. Like Ofenreiniger (oven cleaner) or Werkzeugkoffer (tool box). Werkzeug being a compound word itself, made from “Werk” & “Zeug” meaning craft or work & gadget. These extremely long words tend to describe very specific, often niche items and are just rarely used in common language. Most people would call the thing in the picture more generalised “Feuerwehrauto”. Sufficient to describe it for most people, but not as precise as the long compound. It is basically a question how much details you want or need to communicate.

Wait… You are arguing just about semantics but say stuff like arguing about points made by someone else would be waisting time? Be gone troll.

That barely holds up if you consider this argument in a vacuum. Brought into the context that Trump said he had better plan than Obamacare since 2016, your argument is utter bullshit.