Those that have the ability to use firewood to heat their homes today can continue doing so if they need to- its not a requirement to close up your chimney permanently to use one.
FWIW I am considering switching to a heat pump, but would still have natural gas fireplaces as a backup.
Using machinery for heating isn’t new. Virtually nobody in the modern world uses firewood from a local vendor to heat their homes.
These conspiracy theorist angles are baffling. Heat pumps are just another variation of AC, which is already ubiquitous. If people don’t use heat pumps, they won’t use firewood. They’ll use a regular furnace or electric heat.
A while ago I ran the numbers, and to meet UK electricity demand from wood would consume every single tree in the country in three months.
Limiting that to heating and giving up on industry would stretch that a bit, but the country is fundamentally dependent on imports to stay alive. We can't not be global.