And they still don't fix the escaping problem. You might as well use a niche utf8 emoji as a separator. Editors at least know how to consistently render an emoji.
As a co-op student I used a library to achieve fool proof encoding in csv so it escaped and quoted everything as necessary so commas,\, and quotes and any other character could be included in the data, but it was rejected since the plain text files were difficult to read and edit by hand!