The article makes a great point early on: hearing voices over VOIP is markedly different than over analog phone lines. The robotic voice and the weird compression when your connection isn't good are common for me. Worst of all is the 0.5-1 second delay I still sometimes hear, on local calls no less! If the same call was being had over a phone line and we were in the same country, the audio fidelity would be excellent…
The key word there being analog phone lines. Cell phone lines, which account for 99.99999% of all phone communication these days, are IMO worse than VOIP for sound quality (though better at latency). It's weird that kids growing up in the post-landline era will never realize how clear and amazingly low-latency phone calls used to be. If two people were seated across a table talking on a landline, they'd hear the sign…
But for long distance, no thank you. I will not go back to the 90s just for that one reason alone. It was hellish calling across the Atlantic. Like 15 cents a minute with a 1.5 (sometimes 2) second delay between speaking. And having to remember the dialling sequences and complexity around looking up foreign phone numbers, both of which are now just built into the cell phone.
Or having to trudge around in the rain for a phone booth and having to page through a worn out phone book just to make some dinner reservations. Yuck. I'll take the bluetooth shenanigans, thank you.