Ah, the Temple of Trials.
The long time punchline for older fans, and the perfect rebuttal to any and all claims that Fallout 2 is a good game.
But seriously, yes the beginning truly is godawful if you pick anything other than a melee build. The story goes that there originally wasn’t supposed to be a tutorial level, but one of the higher ups thought a more action-y beginning would attract more customers, so the Temple was tacked on without any consideration for game balance.
At best divesting in some Speech means you can skip the boss at the end, but you still have to suffer the radscorpions until then.