I was careful when I wrote about the age thing to say 'in general' or 'generally speaking' - obviously an individual person may buck the trend as you have proved!
However, in general, older people are more likely to be Conservative supporters and younger people Labour fans. Consequently, when I tried to argue that Tories are more likely to be anti-immigration and Labour pro-immigration I could equally have said 50+ people are more likely to be anti-immigration and the under-50s, more often than not, are pro-immigration.
When the next General Election gets close, I think Labour in particular will try to hardly mention migration and focus on inflation and covid-parties and that stuff and I actually think the Conservatives too will try to avoid the topic.
Neither party will be honest enough to say that we can't implement the Rwandan plan for legal reasons, we can't stop migrants coming across the channel when the weather is calm for logistical reasons and most importantly of all, we need to import millions of people to keep basic things going (like health care) because of the demographic situation we find ourselves in.