I think this is embedded in filipino culture, I call it the ¬"just enough to get by", just look at all the vulcanising going on with tyres and the like, problem is that it is so ingrained that even when you want a proper job doing they will skimp on everything to make it cheaper even if it is dangerous. I understand where this comes from with exteme poverty meaning lots of running repairs which over the year cost more than doing it properly but if you do not have enough money at any one time to do the full repair who just make do. We have been able to help local neighbours with sevrel very small donations or interest free loans if they insist on re paying as many do to save money in the longer run.