[cillian64]

Two advantages for me: It's nice that you don't break the connector if you trip over the cable or put the laptop down on a soft surface, and it's nice being able to charge while still using both USB-C ports (although I guess 3x USB-C would also solve that).

I don't really see any downside to a proprietary connector if you also have the option to charge over USB-C as well.

[apparent]

I wonder how people would feel about:

MagSafe + 2 USB C, all on the left

vs

3 USB C, 2 on one side and 1 on the other

I don't care much about MagSafe, but it is sometimes annoying to have to plug everything on the left. If given the option, I might pick the extra USB (which could also be used for data/monitor/etc. when not being used for charging, of course.

[bubblewand]

MagSafe’s great because nobody in your house will run off with your cable to charge their phone or tablet or Switch controller or whatever.

[NetMageSCW]

Every time that happens buy two more cables. It will stop happening.