Maybe overly cautious but I’ve always done my first change at 1,000 miles to get rid of any break in metal in the oil. It might not be necessary but it’s cheap insurance.
x2,I did mine at 1K and went to Synth.
That plastic drain plug is worrysome ,I would expect it to crack over time
so for me Id have a few on standby and swap a new one in every now and again