I really think in La Liga, the gap is too huge. Rarely do the lower teams upset the likes of Barca. But I can see how it could still be a case of who ends with -90 or -89 goals.
Like my F1 analogy (and it might be messed up cause it also questions integrity in football), right now the bottom teams play a game with in a game. Just like F1 there is a race within a race. Those bottom teams know there fight is not with Hamilton or Leclerc, so its making sure the teams around them don't collect more points than them by not beating them in a given race.
Similarly, Mallorca knows that the only way (other than getting wins or draws of course, but if they can't) they getting out of 17th position when it comes to a tie, is if they make sure they H2H against in 16th position Eibar position is better. Then again, it could b Valladolid that end up in 16th as the season progress, so they also need to try and get a positive H2H against them. So they know they have a chance with the battle of the 6 or 7 teams around them that could end up being relegated. Getting a result against teams for the top 6 or so that are much more dominate is super helpful and is what could take them up the table definitely, but at least they don't have to worry that Barca thumping them won't get them killed.
And by saying worried, I'm not saying they throw in the towel.
I kind of feel that's how they approach their season, whereas in the Premier League, its all about not getting thumped by ANYONE, and holding your own, which is much more possible in EPL due to the quality and money in the league to reduce the gap of quality overall. Hope that makes sense.