www.dailymail.co.uk/news/article-10868359/Sperm-donor-incurable-condition-fathered-15-children-lesbian-mothers.html
There are huge risks of arranging donation via social media and this is only 1 example. These poor women have even been forced to give this man who was branded "a complex person, with learning difficulties and on the autistic spectrum, with fixed views, concrete thinking and a profound lack of insight" by a judge contact with their children. What a horrendous situation.