What particular metaphorical holes are you thinking of that deconversion lets you both see and avoid?
Really it's just the inversion of Pascal's wager.
Very few people will inherently desire to follow the doctrine of whatever religion they happen to be; because of their beliefs, they choose to do things that they otherwise wouldn't.
Homosexuals, for instance, might submerge their sexuality; this will likely serve to decrease their overall happiness. A Catholic couple in Africa might catch AIDS because the church tells them condoms are evil. An impoverished woman might elect to carry a foetus to term, condemning herself to poverty and creating a person who ...
Go see for yourself.
The complete post is quite long and just as good as this quote.