Federal employees pay 10% of their income into the defined pension plan.  The yearly amount they pay is deducted from their RRSP eligibility.  When they collect their pension, they are taxed on in. Depending on where they are with the pension and CPP payments, they may not be eligible for OAS, which comes out of general revenues.  And they have to work for the federal government, which might not be all beer and skittles.
Pensions have nothing to do with the tax proposals.  You're free to set up an IPP through your company as well if you really want one.