Unfortunately yes, fluffypony discourages storing any relatively large amounts there because webwallets always bring an additional layer of risk. Therefore, I would recommend to use https://moneroaddress.org to create a paper wallet. Alternatively, if you are fairly paranoid, use this guide:

https://www.reddit.com/r/Monero/comments/48cgmd/an_extensive_guide_for_securely_generating_an/

The guide ensures that the only way your coins can get stolen is physical access, which is extremely rare. It might take you a few hours to get familiar and comfortable with, but in the end it brings ease to the mind.