Are you sure you got Amend. 1 right?. It looks like the school exemption is increased for the elderly or disabled, not decreased.
You are correct
They always try to be obtuse to hide what they are doing. If there is a limitation on total taxes for old and disabled, and you reduce that limitation, aren’t you raising the taxation on them? As thackney notes in 8, it is to give the elderly and disabled the same as everyone else. They currently are getting a better deal than everyone else, so if you make it all the same, seems like it is hurting the old folks.
Amendment 5 is clearly about private roads, not public roads. And it is authorizing taxpayer money to do so.