@Lyrebird.Rainwing
I of course don't know the size of the cricket, how many per day he gets and many other parameters, but just there being some crickets isn't necessarily there is enough food: Maybe those few crickets are all he gets in a day. Also frightened dragons going through relocation stress, various people handling them... eat less.
I can agree on xp29: Small sells better, plus on purpose mentioning a smaller adult size than it's reality.
Just remember, years ago when I bought a tank at PetSmart for the land hermit crabs I was going to rescue:
They wanted to talk me out of the 80 gallon tank. They said get a 10 or 40, that's plenty enough...
Still wondering why, as they would make more money if I buy the large one, but apparently: They want to show off pets as being easier than they are. Like: stays small, can live on pellets/ dried insects and so on.
Btw.: Where I got my Taco from was a small pet store specialized in reptiles. The total opposite: They were honest regarding how to keep a bearded dragon, showed me a sub-adult bearded dragon the owner keeps, and they also showed me the insects I have to feed just to make sure I know what's going on and me not being afraid of "worms".