"I mean if it wasn't the 21st century, they would be having a snooze or reading a newspaper or magazine probably"
Reading a newspaper in parliament? Have not seen that, it would clearly be seen as a sign of disrespect to the speaker, even more so than a mobile as it has a higher vissibility.
And dazing off was probably more productive and healthy, because I doubt, politicians are immune to addictive engagement feeds.
Meaning I don't think most of that smartphone use is actually productive.
If they're not committed and listening they should quit immediately. Their work has an extremely outsized impact on their country. If they can't do their job they should leave and let someone else who can fill that role.
Having a politican 100% committed and listening all the time would be great, but they would quit in no time I'm sure, at least I would.