The Spanish can be accused of favoritism sometimes, but not always, and it does vary with the location.
Two weeks ago,on one of the busiest days in the year for Ibiza I flew Palma to Ibiza twice there and back dropping friends off, and on the first approach I was vectored to a 5 mile final for R24 for practice on the ILS, and found two Iberia airbuses, a TUI and a condor at the holding point.
I was in an flying club Archer, and the tower as normal were very friendly, and we were communicating in english rather than spanish which I use at Palma to oil the cogs a bit. If you rush them in quick english and fail to be super friendly, ten yes, they have been known to bump foreign tails little. Hardly what you want to hear after the long hours you guys do, but at PMI especially they like it slow and friendly.
I imagine, though, the Spanish tails might be feeling the same outside their own airspace.
