Then surely you should understand the benefit to yourself by...

Then surely you should understand the benefit to yourself by selling your remaining investment , taking a capital loss and reinvesting the remaining 10% in a stock that you believe has more chance to succeed.
Your strategy to hold until , as you say a miracle happens is not a sound investment strategy IMO
By saying that you wouldn’t invest in this company while still holding shares factually indicates that you are happy to remain an invested shareholder , IMO
Actions speak louder than words . Observation only , not financial advice