Yeah, I agree with you and disagree with your parent. Planning commissions around here (the Bay Area) are extremely sensitive to not losing total units, and wi

Yeah, I agree with you and disagree with your parent. Planning commissions around here (the Bay Area) are extremely sensitive to not losing total units, and with perhaps very, very, very rare exceptions do not approve projects that lower their net number of units. There are multiple overlapping institutions that enforce this.