I would think that feature is an added benefit and nothing should be done about it except ensure TRIM is enabled and active. We should not be running our private lives with a goal of assisting lawsuits and prosecution, particularly actions against ourselves.
Spoliation of evidence is one of those things that courts really, really dislike. If you're found to have intentionally destroyed evidence, the court can give instructions to the jury essentially saying to assume any destroyed evidence was showing guilt.
Many businesses and professional individuals operate under a legal requirement to keep records that can't be satisfied if they are too reliant on SSD storage. Also, deleting information after the commencement of legal proceedings can be a criminal offense.
Undeleting data was never guaranteed on hard disks or SSDs and thus doesn't satisfy data retention requirements anyway. RAID isn't backup and forensic tools aren't archives.