As someone with an extremely expensive foreign education n experience, I came back to PK and after working in my career for 7 8 years I took the plunge and started my own flour brand last year. Also “Flour brand” right now is just a fancy word for atta chakki. And many people in my circle have had the same reaction you’re facing. 

To them I say maybe you won’t feel this way when in a few years inshallah this atta chakki will turn into a flour mill. Or many mills. Our people are extremely pessimistic and will readily attribute someone’s success to luck or fraud instead of hard work. 

Remember that Aftab Tapal took over his fathers small tea shop in Jodia Bazaar and turned it into a behemoth it is today. You’re going to be gen 1 and maybe it will be your kids who will inherit a flourishing business to scale but atleast they won’t be doing an ACCA and beg for interviews at other companies inshallah.