I cannot comment on the actual incident here but I think at times there can come a point when it may be safer to go IMC than try and stay under cloud. Obviously avoid getting into the situation in the first place but the typical scenario we teach students where it is described as you "accidentally enter cloud" so "you need to do a 180 on instruments and exit it" is not particularly realistic or reflective of what happens in real life (IMO)
I think a lot of VFR into IMC happens much more gradually and insidiously and by the time you are in IMC a 180 turn is not always going to help.
The old ASD has an article (#133 1987 "Kilmore, apt - but sad") about a pilot who kept pressing on under weather into rising terrain (Kilmore Gap) hoping it would improve.
https://www.atsb.gov.au/media/577482...133_win_87.pdf
The final accident report on that accident not quite as the detailed as the ASD is
https://www.atsb.gov.au/media/27716/aair198302279.pdf
In that case pilot had many options to turn earlier but when he was really in trouble perhaps the best option may have been to climb rather than a simple 180 turn back to where he had been visual.