Buying brand new Strida LT

No problem.

Indeed, yes - the steering tube was reinforced at several points and the bottom bracket was modified at the latest ones.

Please compare, for example, the pics here (newer),
https://stridacanada.ca/product/strida-blue-man-lt/

and here (older version):
http://www.foldingcyclist.com/Strida-LT-folding-bike.html