Connectors on pixhawk, APM, beaglebone blue

I have been playing around with APM, pixhawk and recently beaglebone blue
but I do have huge problem with the connectors, I did not understand why no one would use the same pitch:

for beaglebone blue, it use pitch JST-SH 1.0
for pixhawk it's pitch 1.25 DF13
for APM it seems to be 1.25 DF13


 Most of GPS or power modules are designed to connect to pixhawk or APM, then I need to find a female 1.25, and male1.0 connectors.

And this seems to be the fashion, since recently the small FCs all use 1.0

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