A lot of it has to do with attitude too.
You have the right idea, though! There are people out there still starting small and they can’t get into bigger clans with higher level chests because of restrictions. They need a place to start, and some want even just a clan to grow with entirely. It’s a tempting offer to those that want that. So to say that no one cares for the small clans just starting out just isn’t true.
It’s going to take longer than a few days, I think, since clans have been out for a while and some big names have been established. I’m not any sort of expert on it, I just think it might be best to do what the others have been saying since they have far more experience, and it all sounds like very solid, reasonable advice. Keep at it, consider merging, be vocal on more than one channel, give good information on the details of your clans, etc.
And at the end of the day, it seems like sometimes it will just end up being a bit of a waiting game. I’m sure it will work out and you guys will succeed. Good luck!