it's because they are from over a year ago. use some common sense. and if you have a request, this isn't the section to do it in where you are bumping these types of threads
These guys did an extensive search in July 26, 2018:
http://www.sellersmith.com/blogs/shopify...or-reality
Summary: they are all gone except for the 14-day trial.
Except in the Phillipines which has a 30-day trial.
In some cases, Shopify will extend a free trial but you need to ask and have a
good reason.