Question Status Match and Elite Points Across Alliances

Hi, I'm trying to figure out how status match works with Iberia (IB) from Star Alliance (*A) or SkyTeam (ST) alliances. Given that IB has 5 levels, Lufthansa (LH) has 3, and Air France (AF) has 4, I'm curious about how the level equivalents would work. Additionally, I've noticed that earning Avios on revenue-based flights isn't very rewarding—only 21€ for a flight. Does anyone have insights or experiences with status matching across these alliances? How did it work out for you, especially with the differences in tier levels?