Odds are good that middle- and lower-class property owners...
...can use the money to trade up. They usually only own one property.
Odds are that companies interested in building large projects will not mostly seek to condemn residential neighborhoods comprised of single-home owners, because of the ill will associated with the project.
Odds are that the people who stand to lose are landlords.
Odds are that the reason the conservative justices voted to oppose this is because the people whose property is most likely to be condemned will lose income.