There is abuse where euthanasia or assisted suicide is legal. This is irrefutable. People are talking about a "slippery slope", but it would be more accurate to use the term " incremental extension" because it better reflects the current situation in these jurisdictions.
The idea of the "slippery slope" disturbs. Some say you should focus only on the "current issue" and you should ignore "unlikely scenarios". There is nothing unlikely about the many cases of abuse documented in from Netherlands, ...