And guess why the way the configuration works has changed.

It changes back.

honestly, I can't tell if this is the real APK.

umm, GL702ZC?

Please elaborate.

It's about exposure for the developer(specially indies) and for the customer it's about the guaranty that they have reviewed or at least scanned the application in some way. It matters for some people.
I don't use windows so I don't really care. This is what I imagine is the reason.

he can try fiddling with ttl values and send duplicate packets and measure their roundtrip.
not easy, i know

Nah, we have the latest and greatest even before average joe does in the US.
It's just 10 to 20% more expensive most of the times.
Some dev kits and stuff are more expensive though.

most people can

Only a bit old then; got it.

Isn't that what vi is for?

Dell XFR?

As she's been doing since 2006 https://dota2.gamepedia.com/Sp...

It has, many many times.
Intel TXT, NX bit, Intel MPX, Intel Secure Key, Intel SGX, Intel KPT, IIRC MSRs, Intel Management Engine(this one is very secure)

Meltdown which is the worst of all and was probably done on purpose to cheat in benchmarks only hits Intel.