Like With Anything...
If a person prefers to retain their anonymity, or prefers not to disclose certain details about themselves or those they associate with online, that is entirely up to them.
Its also why when the topic of "filling in my profile" here comes up, I often make a rather blatant post defending my reasons for not doing so.
This is the internet. Anyone can see the information you post here. Does Leon really want the privacy of these contacts invaded and trust breached?
Could these washers end up on the back of trailers headed to scrappers for reasonable sums of money?
"No" is an answer we have to put up with every so often.
To be fair, many members here do put an excruciating amount of effort into finding and then restoring their machines.