One might call the 20th century a “philosopher of the gaps” period, with scientists basking in the headlines and philosophy finding less and less to do.
Immediately you know these structures were designed. How should you know that? How did the scientists know that?
“Technosignatures” is just abstruse enough to evade most Congressional waste hunters.
Oh, it’s very difficult to concede that you were mistaken about something. Especially, I would say, for males.
Science doesn’t need methodological naturalism. It doesn’t need methodological theism, either.