I am looking for a nice way to explain to a Kettle why "I can't just use miles to go to LAS"

How can they understand that:

1) Spending $300 for AUS-DFW-LAS (3,000 EQM) is a bad use of $$$ I
would use on MR.

2) I won't use MR funds until AA offers fare sales and DBLEQM to bounce
back after an FA Strike.

3) I will not use 25,000 miles for a $300 tkt, because:
a) I won't sit in coach and its not worth 50k for FC
b) Chances are milesaver is not available and I won't pay double
c) I only use miles on a 3-1 cost if I have no other choice- . ie: AUS- PTY $500 tkt (ow) = 15k miles
d) I need 100,000 BIS EQM miles to requalify EXP.
e) If I burn miles I prefer 10:1 spend, such as 100k miles for $10,000
J or F ticket.

3) You (mr / ms Kettle) telling me how to use miles is like me telling Donald Trump how to renegotiate a real estate loan.

PS- and I want to say it NICELY!!!

Thank You