You have offended me by referring to Crisp Bags in your name as I am addicted to crisps, am 18 stone overweight-wheezing and sensitive- and feel that you are taking the piss out of me by referring to mounting crisp bags.
You have also offended my great aunt Fanny who comes from Monte Cristo by taking the piss out of the place she was born in. Please apologise to her and to all others who were born in this place.
Are you also aware that Monte Cristo is a brand of cigar. My dad coughs, spits and farts his way through his old age because he smoked these in his youth-it is not a laughing matter to include a reference to this in your user name, as it offends him.
So, your disgusting insensitive user name has offended all three of us.
As you say, you "may not mean to do it" but you have and as you say, you "cannot invalidate our feelings by saying 'if they thought.'
Again, as you say, " it implies (we) are in the wrong for misinterpreting your words and taking offence."
We are offended. Don't invalidate our feelings. Now you know you have offended us, please apologise. By your own lights, you are in the wrong.
We don't have to justify our feelings-all that matters is that you don't "invalidate " them.