Telus Gmail account when I quit being a customer

Copper is being phased out bit by bit. The hardware needed, especially for DSL, is getting harder to locate as many manufacturers stopped making parts. If the DSL card your bonded connection is using outside the building fails, replacements may or may not be available. That's why everything is being switched over to fibre. 

Your assumptions about the fibre install process are incorrect. 

For existing apartment style buildings, the fibre is run along the hallways outside the unit and then punched through right above the front door. Fibre was installed in my building back in March. The fibre install was free. Both for the building and when connecting up my unit. The fibre is flexible enough that it can be run inside your unit to most spots within reason, including the living room. I had mine run to where my router is and that's some distance from the door. The fibre itself is basically invisible once installed unless you get really close to it since it's installed along the joint between the walls and the ceiling. I find fibre is the better deal anyways. I get far faster speeds now for less than I was paying for my bonded DSL connection.

The "fibre to copper converter" you are talking about is the ONT. Fibre goes in. Standard Ethernet and phone comes out. If you have a landline still, you'd end up with an ONT. It has a pair of RJ11 phone jacks on the back and if you have more than one phone in the house, the installer could hook the ONT to one of your existing jacks as well. If you don't have a landline they may just install a router instead that the fibre connects to.

One type of ONT Telus uses:

Telus will not run electrical. That is the unit owners responsibility. If the builder didn't put power or ethernet where your panel is, the ONT won't be installed there.

You mention the power use of the fibre hardware. There is one single piece of hardware and that's the ONT. The ONT I have uses very little power. The cost per year for the power has been very minimal and I haven't even noticed a change on my bill. Your router will use a fair bit more power than the ONT.