If Lenovo were serious about security they would encourage such discussion and exploration to improve their product. Of course this is Lenovo we are talking about, the company that thought Superfish would be a super idea!
Note that this password only allows access to BIOS and being able to boot; if the HDD also has a password and/or is encrypted, this doesn't really affect security of data.
My motivation here is the same as most people buying old Thinkpads off eBay-- getting past the SVP on machines with a dead CMOS battery. I don't give a fig about any data on the hard drive :-)