Many therapists promote talk therapy to heal attachment injury... and yet clients spend most of the time in an abandonment state.

Human attachment is generally characterized by lots of contact. Therapy inverts that, and calls it healing.

Shouldn't it be called abandonment work rather than attachment work?

Isn't this (small doses of contact, extended withdrawal) a recipe for crashing affect regulation and inducing addictive patterns?

And doesn't this conflict account for much of the traffic on therapy forums?...
therapist on holiday
therapist not replying to text/email
googling therapist
trouble coping until next session
obsessive thoughts
etc.