If that is what they are doing then so be it. The exposure that they have had to the downside may be coming to haunt them and they must strap up hard to move their paper. (which is not a bad thing by the way)
However (and unfortunately) there are still many vehicles out there for low downpayments. The loosening (aka stimulus package) really stinks (at least for me as someone who has been a prudent buyer and do not believe that people should buy a home heavily financed) and allows some serious FHA financing packages that enable heavy financing with little down.