I don't like the new packaging so much either. My objection is that it's hard to re-suspend the slurry before you open the package.
There is a way to get the yeast out in a sterile manner. You need two pairs of scissors: one blunt and one sharp.
Sterilize the blunt pair in the autoclave when you run your starter wort. Re-suspend the yeast as much as possible. Pierce one end of the outer packet with the sharp scissors, and remove it being careful not to damage the inner packet. Remove the inner packet from the outer, invert it, cut the clean exposed end with the sterile blunt scissors, and pour it into your starter with rinsings as needed.