Above, in regard to the amendments to the Withdrawal Bill (2nd reading) I said I wrote [to my MP] earlier in the week ...
I do not expect anything very productive in response, but it seemed the least I could do.

I have just received his response, and it is even more underwhelming than I anticipated. Here is my original email and his response:

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I am sure you will agree that this Withdrawal Bill is one of the most important of the session, and it will have implications lasting many years.

I happened to be able to watch the televised debates and was unable to see you in the chamber. Please assure me that you were present for the debates, not simply the votes. If you were not present but occupied on other business, I would be pleased to hear what it was and why you regard it as more significant.

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And here is his reply in full:

Dear Mr McGlade

Thank you for your email.

My duties are many and varied. I don't spend all my time in the chamber.

Regards

Royston Smith MP

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I think we can safely translate "don't spend all my time" as "didn't spend any time" as far as this bill is concerned. And as for explaining why his other duties were more important, well, he seems to have accidentally forgotten that...