What language did Biblical figures speak?

For a little while now (some decades) I’ve been aware that the language that Jesus would have spoken, if he was a real character, would have been Aramaic. It might not escape your attention that we have precisely NOTHING from history about Jesus in Aramaic… so… even if Jesus was a real boy, we have precisely no credible information about a single word that he might have spoken. Instead, we have stories about him written generations after he could possibly have actually lived in the wrong language. It’s worse than that, though, really… since the gospels were likely written AFTER the Roman subjugation of Judea and the humiliation of the Siege of Jerusalem and the destruction of the second temple (Herod’s – the first being Solomon’s)… and they are very, very Pro-Roman (follow local laws, render unto Caeser, etc) and against rebellion (love your enemies, turn the other cheek, etc).

I’ve just had my attention drawn to a similar problem with Moses…

If anybody wants to make the case that Moses was a real boy, the date they will give for his life and doings will be about 3200 years ago. The trouble with this, though, is that the very earliest evidence we have for the Hebrew language (the language that the Torah is written in) is from 3000 years ago. And so, again, all we have are stories about him written generations after he could possibly have actually lived in the wrong language. And, again, we find that we have no credible information about a single word that he might have spoken.

I would argue that these anachronisms are a fatal blow to anybody who would claim any knowledge about the sayings of these supposed people; when you add to the mix that not only are we lacking any record of anything either character said in the language that they would certainly have spoken had they really existed but we are also lacking any contemporaneous record of their existence, far less anything they said… well… I conclude that neither were likely real people.

Finally, we come to the “ten commandments” that were, supposedly, etched by YHWH Himself upon stone… I’m sure that God Almighty, were He real, could have done anything no matter how implausible… but can anybody seriously suggest that He wrote commandments unto mankind in a language that hadn’t at the time been invented and wouldn’t be for a further two hundred years?

I’m interested to know y’all’s take:

Does the linguistic anachronism surrounding these characters suggest or imply that they are likely fictional?