as a check point, seems nothing new
The shortcomings of Del Loewenthal:
Existentialism + Postmodernism =
Post-Existentialism = Critical Existential-Analytical Psychotherapy
But, he didn't cite Baudrillard, Deleuze, Guattari, Braidotti, or Fernando. Therefore, nothing about post-humanism.
Also, he paid too much attention to the UK situation, including the tyranny of medical model, and state regulations which are dominated almost exclusively by the evidence-based model.
In other words, not much else are in his agendas.