Absence of responses is not always an indication of a lack of engagement, it is just an indication of "absence of responses", period.
Not every post requires an ack or a response, sometimes because the contribution "says it all", and silence is itself, sufficient acknowledgement. Perhaps many more lurk and read, while gaining valuable understanding; such is the value of providing links to others' work.
When complex subjects and views are engaged, a thoughtful response takes time, work and care.
The links to various, apropos documents is both an honest and respectful way of providing information to others engaged in like-minded pursuits. I can think of many such references over the past dozen years or so that have led to primary changes in thinking and perception of what I did for a living over a period of thirty-five years.
A continuance of such collegial ways of discussing complex subjects is welcome and appreciated.
FDMII