That's an explanation, not a good justification. And even if it were, what could possibly justify this diatribe against scholars living two centuries ago?Dealing with obfuscation - via equivocation, disingenuous commentary, & failure to acknowledge reasonable points - tends to be frustrating.
Lastly, in modern times (e.g. the 19th century) some scholars (e.g. religious rationalists) liked the idea so much that they voluntarily swallowed the dupery pill, celebrating euhemerizing as “discovering” the real history of skygods, when in actual fact they well knew they, too, were making it all up. Only they used “speculation is as good as fact” as their excuse, rather than winkingly just outright ********ting everyone as Euhemerus himself originally did. But even then, they were still making it up. And indeed, doing so more in the tradition of Frankfurt-style ********tery: they didn’t even care whether what they were saying was true. It just worked for them. So why not?