I can tell you the only reason they put them there was for initial fill purposes only. It was NOT to keep the hose from collapsing in use.

They probably quit putting them in because they started using a new fill method.

http://automotivemileposts.com/autobrevity/moldedhosecoil.html

http://www.martiauto.com/faqfocus.cfm?qid=20

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.