> When people give the advice to "network" to enable my career growth, the people who would be most helpful tend not to have much in common with me, and building relationships with them often means not being true to myself, or even hiding myself.

Then it's best to recognise this early and decide if you want to be true to yourself or if you want to succeed[1].

[1] Depending on your definition of "success", plodding along for 40 years as an IC, contributing your skills to whichever employer and eventually retiring is, for many, "Success" with a capital "S". The people giving the networking advice are using a different definition, which is usually "rising in your career until you are making an impact far larger than an IC could". Not networking with the other rising stars gives you a very low chance of attaining that second definition of success.