My experiences are contrary to yours.
From the 80s on I had new cars every 2 years with very few problems.
Since the computer type cars we have had one that cost me a small fortune as no one could diagnose why the master warning light kept coming on (in the end I had to px it..........a 13 plate that kept giving warnings....and now this thing that may have to go in JUST SO I CAN PUT AIR IN THE TYRE.
(capitals directed at car...not you

)
You hadn't had the wheels positions changed have you ?
TPMS (tyre pressure monitoring system) transmit the information to the car. They'e programmed originally to each corner of the car. If you'e
Had new tyres say On the front and they unwittingly swapped their positions, the system will detect it.
On my 15 plate Astra if I have a TPMS warning, I simply fill the tyre to the appropriate pressure , turn on the ignition/start the car, it goes through a self check and clears the warning. That'
All you normally have to do.
If I say have the car programmed to say a heavy load on the Infotainment screen, with 40psi being what the sensors are looking for....if I put normal pressure in one tyre...ie 30 psi...the car will give a warning because pressure may be unequal to each other.
TPMS sensors are apparently not that good on Vauxhall and maybe other makes too. The valves are alloy instead of brass and subject to corrosion, a common problem which causes slow loss of pressure...and frequent warnings...DAMHIKT.