I grew up in a little village in the 'Shire where, in the late 1700s, the first dinosaur ever to be given a name (Megalosaurus) was discovered. At the time, I expect plenty of people thought it was absurd, too. And yes, in those early days, the ideas were new and not too accurately formed.
But goodness me, our collective understanding has come on a bit since then, eh? Refining those ideas to improve them over time, as more evidence becomes available… what a brilliant way to improve our knowledge! Or yeah, I guess you could just sort of reckon stuff.