"Why isn't there a 100% drop rate for eggs?"

#PokemonGO: Why do eggs not have a 100% drop rate when you have available egg slots? I think there is a strong case for the fact that they should drop every single time.In the simplest economics, Niantic wants to make money. Incubators are probably their biggest revenue source. However, to need incubators, you need eggs.I have plenty of coins that I want to spend on hatching some eggs, however I only have 3 of 9 slots filled. I went for a walk today and hit 6 poke stops and only got 1 egg..... It doesn't make any sense. It encourages me to drive and get more poke stops rather than walking.It can be rather frustrating going out for a walk and not filling those slots.Does anyone understand reasons why this is not implemented? I cannot think of a way that limiting egg drops is beneficial to anyone. via /r/TheSilphRoad http://ift.tt/2qy77FT