You see a lot of 'fried egg' symbols in long-term Gran Canaria weather forecasts. That's because it's almost impossible to be accurate more than a few days ahead; unless you just assume that it's going to be sunny.
As a visitor you'll never know if you offend a Canarian; Their laid-back nature and years of dealing with tourists being everything from culturally insensitive to jaw-droppingly rude mean that the locals are masters of just letting it go.
Gran Canaria lawyers spent seven years fighting for timeshare owner's rights and have finally won. Now, we can finally say that there is a clear way to get an illegal timeshare contract ripped up and your money back.