This has often been referred to as communication predicament.
It means that there are certain stereotypes younger people have towards older generations, such as that they are always and invariably dependent on them and that they should basically be treated as someone incompetent. In turn, these older generations start acting according to these stereotypes, which leads to their abilities declining.
The Constitution is difficult to amend because it requires a supermajority of either members of Congress or a supermajority of state legislatures to propose a new amendment for ratification.
