No, this is an economic issue. Abortion is a moral constitution issue. Only one of these two candidates has changed positions on that one.
I am a STEM worker who strongly disagreed with Cruz’s old stance, and let him know. Cruz gets the error in his old policy and has responded in his policy today.
A Trump supporter should tread lightly on critizisms of policy and political stance change. Building comparative lists between the two from 2013 to today will not bode well for your guy...
A moral constitution does not literally translate to apply only to moral issues. It is having an internal guide on right and wrong, a point at which your moral constitution recognizes I do not compromise on this no matter the financial or political benefit to me. I hope that clarifies my point for you.