Ok firstly lets establish why Goku is considered universal level
During Goku's fight with Beerus they were punching each other so hard it was capable of producing shockwaves that were stated to be capable of destroying the universe:
The reason people strongly believe in this is because its backed by the Narrator for one:
And its even backed up by Whis:
Now lets establish something
Goku isn't universal
1. Firstly because the shockwaves were going to destroy the universe because they got stronger the further they went:
This is important because number 1 the sacred world of the kais was not destroy by the shockwaves, which is outside the DB macrocosm:
Which makes old kai's statement unreliable in regards to the shockwaves being universal, if his statement was true then why would it not destroy the world of the kais, which is the furthest you can get?
2. The Narrator also says Beerus was going full power
When we know is not true, which shows that the narrator is not reliable and is mostly just repeating statements that other characters (who are unreliable) have said and is meant to not spoil stuff to the audience
But lets accept the fist clash is universal, lets say it is
Old Kai stated Beerus, Goku and everyone which includes Whis would die from the shockwaves
Now we have established none of the cast on DBS can stop power capable of destroying the universe, this is backed by this person who is a staff in DB:
Who states only Zeno is capable of destroying the universe, we also have to take into account that old kai himself wasn't sure if it would destroy the universe:
He uses the words "may" or "maybe", implying that he could be wrong, now all this proves Goku is not universal, but the shockwaves themselves may have been, here is more info on why Goku is not universal,
Zamasu was fusing with the universe only:
Yet Goku couldn't destroy him with pure DC.
Zamasu only stated he was going to wipe out the galaxy when he was in his normal state:
Why would a universal level being need his full power just to wipe out a galaxy with pure DC?
Why would a stronger character like Moro with all his energy swollen aka no ki control involved?
Why would a character that is way stronger be only be capable of wiping out the galaxy? Many say this is a mistranslation but even then a couple galaxies?
Anyways all of this contradicts universal level Goku, Goku is not universal level by pure DC, anything that mentions "power capable of destroying the universe" in BOG is referring to the shockwaves, the shockwaves don't scale to their AP as even stronger characters have only shown to be galaxy level and the staff himself debunks that notion.
Hell even Whis himself (Who is leagues stronger than Goku and Beerus) confirms he can't stop the universal level shockwaves, and Old Kai himself stating Beerus and everyone (which includes Whis) would die from the universal level shockwave.