The author of that article is well known in the Esperanto world for being the author of that article... and nothing more ;)
A true expert in Esperanto, the linguist and psychologist Claude Piron, debunked that article years ago:
A true expert in Esperanto, the linguist and psychologist Claude Piron, debunked that article years ago:
I hope not.
http://www.xibalba.demon.co.uk/jbr/ranto/
A Nobel laureate in physics who grew up in a non-English-speaking country recommends learning English as a key to physics research.
http://www.phys.uu.nl/~thooft/theorist.html