They say that the bear is the perfect time for investing but what if what you are saying is true? What if the market will just become worst and more worsen? We cant be like that for a long time because we have a loans to pay.
In a market situation like this I don't think borrowing will be very profitable. The worst risk is that the loan will fail due to falling asset prices, this will be a big problem for the borrower. It may be more realistic to think that a loan can be made securely if the borrower and the owner of the fund both agree on the consequences.
We can use the bear as an opportunity for buying only if we have a money of our own that is not important so that we won't worry if how long we can make a profit and it's also okay to us if ever we lose that money.
Of course I would agree with this choice because all investment risks are at our own risk without worrying about loan repayments.