Everyone will recommend what they use and/or what their engine builder recommends and sells.
Further, what was the must run oil last year according to those that post on these forums isn't today, the recommendations change with the wind and who spends more $ on their marketing campain.
Me, I've been using Mobil 1 5W-30 since 1986 in my passenger cars and since 1991 in my race engines and I ain't changing because I read on a forum that some other oil is better.
Your only choice is deciding what viscosity to run as well whether you want to run conventional, semi synthetic or full synthetic. Otherwise for what you have and are doing oil is oil.
If you feel you need zinc, Lucas and others sell additives.