Would please stop being so rude to fellow members? There are much nicer ways to say what you have been saying. Being rude wont make the messages very receptive, however saying something politely tends to be received much better.
Nothing is wrong with keeping bettas with guppies. It's all a matter of opinion and personality. Guppies and bettas can be fine if the Betta is docile and you have a backup plan. Please next time, instead of leaving something negative about someone else's tank at least stay on topic as well. I'm sure you wouldn't like it if I commented on the way you keep your fish. Getting totally of topic. I removed your comment from my link to the page as I felt is was poorly supported by research. Of you'd like more opinions from more expirenced members I will freely show you how OFL, and others say its okay under certain circumstances