Dynamically generated date table using fiscal year start month in a multi-tenant dataset with RLS

Hi Icey 

I have a table that contains profile data (1 row for each customer) with things like name, id etc. Additionally, I have a column for fiscal year start month. There are hundreds of rows of data and each represents a customer in multi-tenant fact tables (the profile table is also used for row level security by associated a customer id in that table with customer id in the fact tables). There is a single row per customer in the profile table.

In my DAX formula for the date table, I am setting a variable similar to: 

VAR fiscalstartmonth = profile[fy_startmonth]

I am expecting that only a single value should be returned since RLS should be limiting access to the data to a single row in the profile table. However, what I am seeing is that a list of values is being returned. The list is all the values for all the customers. A quick test using MAX(profile[fy_startmonth]) returns the highest value in the table (which is assigned to a different customer).

I was hoping that calculated tables were generated after the data was filtered by RLS. But it seems as though they are generated and then RLS is applied after the fact.