That makes perfect sense. Thanks for your response and I agree with you on the UI thing.
I think at the very least it should show in the wallet history when you do it that way... the fact it goes blank and disappears from your wallet is a little sketchy :P.
There is also a spoof to allow 6 tags per article rather than the default 5... https://steemit.com/steemit/@bayareacoins/so-you-think-you-are-limited-to-5-tags-for-your-post-now-wrong-click-here-to-learn-how-to-get-your-article-listed-with-6-tags
The mechanism analyzed here: https://steemit.com/money/@theoretical/why-would-anyone-use-the-conversion-function-when-they-can-trade-their-steem-dollars-on-the-market
Thank you