It would be monumentally newsworthy if there was clear guidance that Bitcoin and Ethereum "weren't securities" (more generally: that businesses that simply deal in Bitcoin were generally outside the purview of securities regulation). But we do not in fact know that right now.
No expert believes that you can look at the list of current enforcement actions and reliably predict the SEC's next actions. They could keep taking out scammers for the next several years, getting practice by picking out the low-hanging fruit. Or, they could at literally any moment come down like a ton of bricks on the industry's most mainstream participants. We simply don't know.
What we do know is that "coin-mediated" finance is enabling thousands of people to launch investment-driven businesses who would previously not have been able to do that before, not because of a lack of technical ability but because the laws made it prohibitively expensive. Those laws have not been repealed. A lot of reasonable people are waiting for the other shoe to drop.