Yes i pressed 2x the button and than its blinkin 2x red lights , i see on switch charging logo on the corner with a X but i was push out the usb cable and reconnect it again = nothing happened it is so after updating to 7.0.1 before was working .
Is your trinket flashable without problem with the switch and usb C cable ?
greets
kermit
try this:
1) boot to hekate
2) double press reset
3) connect
4) boot something
and now open switchboot on my pc
or you must wait for mattys answer